import os

import xlrd

wb=xlrd.open_workbook("./data/data.xls")
sheel=wb.sheet_by_name("step")
print(sheel)
sheel1=wb.sheet_by_name("step")
sheel2=wb.sheet_by_name("step")
sheel3=wb.sheet_by_name("")


print(sheel)
print(sheel)
print(sheel)
print(sheel)
print(sheel)
print(sheel)
print(sheel)